Based on water quality monitoring data of four inflow rivers of Nansihu Lake in 2006, 2007 and 2008, the water qualities were evaluated according to the method of comprehensive water quality identification index, with the indicators of dissolved oxygen, CODMn, biochemical oxygen demand and ammonia nitrogen. The results show that the rivers has been in the state of serious pollution, in which th...

The paddlefish (Polyodon spathula) is a primitive fish that is found in several large rivers of the Mississippi River drainage. The status of paddlefish populations in these large rivers is debatable due to several factors including habitat loss, contaminants and commercial fishing (Sparrowe 1986; Gundersen and Pearson 1992). The roe of female paddlefish is used to make domestic caviar and comm...

This article examines the impact of the New York court decision, Rivers v. Katz, which in June 1986 dramatically changed the state procedure for responding to involuntarily committed psychiatric patients who formally refused psychopharmacologic treatment. The court rejected the medically administered review process that had been used to respond to involuntarily committed psychiatric patients wh...

Contents 1. Introduction 2. Primary stage of the occurrence of river systems 3. Development of rivers in the Paleozoic 4. Change of hydrography in the Mesozoic 5. Modification of river systems in the Cenozoic 6. Water balance change of the river basins in the Mesozoic-Cenozoic 7. Features of dynamics of the hydrographic network and channel deformations 8. Hydrography and water resources of the ...